
Federal officials halted Southwest Airlines flights from taking off on Tuesday.
By late morning on the East Coast, more than 1,500 Southwest flights had been delayed, accounting for well over half of all delays nationwide, according to FlightAware.

Federal officials halted Southwest Airlines flights from taking off on Tuesday.
By late morning on the East Coast, more than 1,500 Southwest flights had been delayed, accounting for well over half of all delays nationwide, according to FlightAware.